Extract from the Register of European Patents

EP About this file: EP4556104

EP4556104 - GAS SEPARATION SYSTEM AND METHOD FOR PRODUCING METHANE-ENRICHED GAS [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  18.04.2025
Database last updated on 07.03.2026
FormerThe international publication has been made
Status updated on  19.01.2024
Most recent event   Tooltip08.01.2026Supplementary search reportpublished on 28.01.2026  [2026/05]
Applicant(s)For all designated states
UBE Corporation
1978-96, Oaza Kogushi
Ube-shi, Yamaguchi 755-8633 / JP
[2025/21]
Inventor(s)01 / FUKUDA, Nobuhiko
Ube-shi, Yamaguchi 755-8633 / JP
02 / INDE, Hiroki
Ube-shi, Yamaguchi 755-8633 / JP
03 / FUKUNAGA, Takumi
Ube-shi, Yamaguchi 755-8633 / JP
04 / NAKAMURA, Tomohide
Ube-shi, Yamaguchi 755-8633 / JP
 [2025/21]
Representative(s)Forstmeyer, Dietmar, et al
Boeters & Lieck
Oberanger 32
80331 München / DE
[2025/21]
Application number, filing date23839665.912.07.2023
[2025/21]
WO2023JP25794
Priority number, dateJP2022011354814.07.2022         Original published format: JP 2022113548
[2025/21]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2024014493
Date:18.01.2024
Language:JA
[2024/03]
Type: A1 Application with search report 
No.:EP4556104
Date:21.05.2025
Language:EN
[2025/21]
Search report(s)International search report - published on:JP18.01.2024
(Supplementary) European search report - dispatched on:EP07.01.2026
ClassificationIPC:B01D61/58, C10L3/10, B01D53/22, B01D63/02
[2026/05]
CPC:
C10L3/10 (EP); C07C7/144 (US); B01D53/22 (EP);
B01D61/58 (EP); B01D63/02 (EP); C07C7/005 (US);
C07C9/04 (US); B01D2256/245 (EP); B01D2257/504 (EP);
B01D2311/10 (EP); B01D2311/2512 (EP); B01D2317/022 (EP);
B01D2317/08 (EP); C10L2290/548 (EP); Y02C20/40 (EP) (-)
Former IPC [2025/21]B01D61/58, C10L3/10, B01D53/22
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   ME,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2025/21]
TitleGerman:GASTRENNUNGSSYSTEM UND VERFAHREN ZUR HERSTELLUNG VON METHANANGEREICHERTEM GAS[2025/21]
English:GAS SEPARATION SYSTEM AND METHOD FOR PRODUCING METHANE-ENRICHED GAS[2025/21]
French:SYSTÈME DE SÉPARATION DE GAZ ET PROCÉDÉ POUR PRODUIRE DU GAZ ENRICHI EN MÉTHANE[2025/21]
Entry into regional phase31.10.2024Translation filed 
31.10.2024National basic fee paid 
31.10.2024Search fee paid 
31.10.2024Designation fee(s) paid 
31.10.2024Examination fee paid 
Examination procedure31.10.2024Amendment by applicant (claims and/or description)
31.10.2024Examination requested  [2025/21]
Fees paidRenewal fee
28.05.2025Renewal fee patent year 03
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court
See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:Search[XI] KR20160023083  (AIRRANE CO LTD et al.) [X] 1,7 * Figures: 1,2 Claims: 1 Paragraphs: 0010,0032,0049,0056,0033-0035,0059,0061 *[I] 2-6
 [I] US2018250627  (ZICK GOLO et al.) [I] 1-7 * Figures: 3 Claims: 1,10 Paragraphs: 0013,0014,0037,0042,0046 *
 [I] EP3892357  (AIR LIQUIDE et al.) [I] 1-7 * Figures: 1 Claims: 1,9 Paragraphs: 0002 *
 [I] US2018339264  (FUKUDA NOBUHIKO et al.) [I] 1-7 * Figures: 1 Claims: 6 Table: 1 *
 [I] EP2974781  (DMT MILIEUTECHNOLOGIE B V et al.) [I] 1-7 * Figures: 1 Claims: 1,7 Paragraphs: 0001,0026,0027 *
International search[YX] JPS52114475  (TOKYO SHIBAURA ELECTRIC CO et al.) [Y] 2-6 [X] 1, 7-8
 [Y] JP2019520198  (エボニック スペシャルティ ケミカルズ (シャンハイ) カンパニー リミテッドEvonik Specialty Chemicals (Shanghai) Co., Ltd.) [Y] 2-4 * claims, examples, fig. 1 *
 [Y] JP2013128868  (UBE INDUSTRIES et al.) [Y] 5-6 * claims, examples, fig. 1 *
 [P, X] JP2022113214  (TORAY INDUSTRIES et al.) [P, X] 1, 7-8 * claims, paragraphs [0022]-[0037], [0051], [0055], examples, fig. 4 *
 [A] JP2020163282  (UBE INDUSTRIES et al.) [A] 1-8 * claims, fig. 3 *
 [A] JP2016505354  (エボニック ファイバース ゲゼルシャフト ミット ベシュレンクテル ハフツングEvonik Fibres GmbH) [A] 1-8 * claims, fig. 1 *
 [A] JP2000033222  (AIR LIQUIDE JAPAN LTD et al.) [A] 1-8 * claims, fig. 3 *
by applicantJP2013128868
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.